How to wire a 3 way switch - Smart Home Mastery Jan 17, 2019There are many ways to wire a three way switch, but unless your walls are open, and your not worried about dimming from multiple locations, or being able to control the lighting from other devices, then I think the best way to wire a 3 way switch, is to use smart switches. Three Way Smart Switch Wiring - Smart Home Czar Jan 30, 2019In a smart home, only one switch needs to be controllable by the smart network. The other add-on switch is just there for us humans to be able to manually toggle the switch. How to Wire a Smart Three-Way Switch. With this basic understanding of how the smart three-way switch works, wiring a smart-three way switch should make more sense.